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Prefix Free Usage Statistics

Top 10k

Top 100k

Top 1m

All Internet

Lets you use only unprefixed CSS properties everywhere.

https://leaverou.github.io/prefixfree/

Prefix Free Customers

Get access to data on 175,774 websites that are Prefix Free Customers. We know of 60,427 live websites using Prefix Free and an additional 115,347 sites that used Prefix Free historically and 27,853 websites in the United States.

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Get a list of 175,774 websites using Prefix Free which includes location information, hosting data, contact details, 60,427 currently live websites and an additional 38,314 domains that redirect to sites in this list. 115,347 sites that used this technology previouslyand 27,853 websites in the United States currently using Prefix Free.

Site Totals

Total Live: 60,427
38,314 additional website redirects^?.
USA Live Sites: 27,853
Live and Historical: 175,774

Top 1m: 0.14%
1,367
Top 100k: 0.32%
322
Top 10k: 0.37%
37

Countries

Financial

Group

African Union: 678
Arab League: 332
Asia-Pacific Economic Cooperation: 37,773
Assembly of European Regions: 10,609
Association of Caribbean State Members: 603
Association of Southeast Asian Nations: 747
Bay of Bengal Initiative for Multi-Sectoral Technical and Economic Cooperation: 1,829
Caribbean Community Members: 28
Caribbean Free Trade Association: 23
Central American Integration System: 60
Central European Free Trade Agreement Members: 95
Club de Paris: 46,121
Commonwealth of Independent States Members: 1,984
Commonwealth of Nations: 5,706
Community of Portuguese Language Countries: 1,725
Council of Europe: 15,143
Development Assistance Committee: 44,685
East African Community: 69
Eastern Partnership: 10,348
EC Inner Six: 6,535
EC Outer Seven: 3,279
Economic Cooperation Organization: 1,069
Eurasian Economic Union: 1,919
Euronest Parliamentary Assembly: 10,262
European Economic Area: 10,108
European Free Trade Association: 791
European Union: 10,005
European Union, European Economic Area and Switzerland: 10,796
Federation of Euro-Asian Stock Exchanges: 1,381
G2 Nations: 29,682
G20 Nations: 48,233
G7 Nations: 36,601
Global Governance Group: 1,774
Group of 77: 7,997
GUAM Organization for Democracy and Economic Development: 287
Gulf Cooperation Council: 173
IBSA Dialogue Forum: 3,447
International Solar Alliance: 39,305
Interparliamentary Assembly on Orthodoxy: 4,033
Majority German-speaking states of Central Europe: 3,844
North Atlantic Treaty Organization: 40,400
Organisation for Economic Co-operation and Development: 46,077
Organisation of Eastern Caribbean States: 48
Organisation of Islamic Cooperation: 1,894
Organization of American States: 31,561
Organization of Ibero-American States: 3,488
Organization of the Black Sea Economic Cooperation: 2,934
Organization of the Petroleum Exporting Countries: 606
Organization of Turkic States: 657
Pacific Alliance: 804
Shanghai Cooperation Organisation: 5,399
South Asian Association for Regional Cooperation: 1,773
Southern African Development Community: 318
Southern Common Market: 1,898
Sovereign states and dependent territories of North America: 29,262
Union of South American Nations: 26
Visegrad Group: 1,432

Region

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